https://git.ruby-lang.org/ruby.git/commit/?id=e0e12202c7

From e0e12202c7688881b8fcdad96669ca0cd7be8622 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Sun, 18 Jul 2021 11:40:21 +0900
Subject: Use rb_block_call() instead of the deprecated rb_iterate()

---
 spec/ruby/optional/capi/array_spec.rb    |  8 ++++----
 spec/ruby/optional/capi/ext/array_spec.c | 22 +++++++++-------------
 2 files changed, 13 insertions(+), 17 deletions(-)

diff --git a/spec/ruby/optional/capi/array_spec.rb b/spec/ruby/optional/capi/array_spec.rb
index 8d003fb..8e90980 100644
--- a/spec/ruby/optional/capi/array_spec.rb
+++ b/spec/ruby/optional/capi/array_spec.rb
@@ -343,10 +343,10 @@ describe "C-API Array function" do https://github.com/ruby/ruby/blob/trunk/spec/ruby/optional/capi/array_spec.rb#L343
     end
   end
 
-  describe "rb_iterate" do
+  describe "rb_block_call" do
     it "calls an callback function as a block passed to an method" do
       s = [1,2,3,4]
-      s2 = @s.rb_iterate(s)
+      s2 = @s.rb_block_call(s)
 
       s2.should == s
 
@@ -357,7 +357,7 @@ describe "C-API Array function" do https://github.com/ruby/ruby/blob/trunk/spec/ruby/optional/capi/array_spec.rb#L357
     it "calls a function with the other function available as a block" do
       h = {a: 1, b: 2}
 
-      @s.rb_iterate_each_pair(h).sort.should == [1,2]
+      @s.rb_block_call_each_pair(h).sort.should == [1,2]
     end
 
     it "calls a function which can yield into the original block" do
@@ -371,7 +371,7 @@ describe "C-API Array function" do https://github.com/ruby/ruby/blob/trunk/spec/ruby/optional/capi/array_spec.rb#L371
         yield 4
       end
 
-      @s.rb_iterate_then_yield(o) { |x| s2 << x }
+      @s.rb_block_call_then_yield(o) { |x| s2 << x }
 
       s2.should == [1,2,3,4]
     end
diff --git a/spec/ruby/optional/capi/ext/array_spec.c b/spec/ruby/optional/capi/ext/array_spec.c
index 39ed1ed..9386239 100644
--- a/spec/ruby/optional/capi/ext/array_spec.c
+++ b/spec/ruby/optional/capi/ext/array_spec.c
@@ -196,10 +196,10 @@ static VALUE copy_ary(RB_BLOCK_CALL_FUNC_ARGLIST(el, new_ary)) { https://github.com/ruby/ruby/blob/trunk/spec/ruby/optional/capi/ext/array_spec.c#L196
   return rb_ary_push(new_ary, el);
 }
 
-static VALUE array_spec_rb_iterate(VALUE self, VALUE ary) {
+static VALUE array_spec_rb_block_call(VALUE self, VALUE ary) {
   VALUE new_ary = rb_ary_new();
 
-  rb_iterate(rb_each, ary, copy_ary, new_ary);
+  rb_block_call(ary, rb_intern("each"), 0, 0, copy_ary, new_ary);
 
   return new_ary;
 }
@@ -208,14 +208,10 @@ static VALUE sub_pair(RB_BLOCK_CALL_FUNC_ARGLIST(el, holder)) { https://github.com/ruby/ruby/blob/trunk/spec/ruby/optional/capi/ext/array_spec.c#L208
   return rb_ary_push(holder, rb_ary_entry(el, 1));
 }
 
-static VALUE each_pair(VALUE obj) {
-  return rb_funcall(obj, rb_intern("each_pair"), 0);
-}
-
-static VALUE array_spec_rb_iterate_each_pair(VALUE self, VALUE obj) {
+static VALUE array_spec_rb_block_call_each_pair(VALUE self, VALUE obj) {
   VALUE new_ary = rb_ary_new();
 
-  rb_iterate(each_pair, obj, sub_pair, new_ary);
+  rb_block_call(obj, rb_intern("each_pair"), 0, 0, sub_pair, new_ary);
 
   return new_ary;
 }
@@ -225,8 +221,8 @@ static VALUE iter_yield(RB_BLOCK_CALL_FUNC_ARGLIST(el, ary)) { https://github.com/ruby/ruby/blob/trunk/spec/ruby/optional/capi/ext/array_spec.c#L221
   return Qnil;
 }
 
-static VALUE array_spec_rb_iterate_then_yield(VALUE self, VALUE obj) {
-  rb_iterate(rb_each, obj, iter_yield, obj);
+static VALUE array_spec_rb_block_call_then_yield(VALUE self, VALUE obj) {
+  rb_block_call(obj, rb_intern("each"), 0, 0, iter_yield, obj);
   return Qnil;
 }
 
@@ -287,9 +283,9 @@ void Init_array_spec(void) { https://github.com/ruby/ruby/blob/trunk/spec/ruby/optional/capi/ext/array_spec.c#L283
   rb_define_method(cls, "rb_ary_plus", array_spec_rb_ary_plus, 2);
   rb_define_method(cls, "rb_ary_unshift", array_spec_rb_ary_unshift, 2);
   rb_define_method(cls, "rb_assoc_new", array_spec_rb_assoc_new, 2);
-  rb_define_method(cls, "rb_iterate", array_spec_rb_iterate, 1);
-  rb_define_method(cls, "rb_iterate_each_pair", array_spec_rb_iterate_each_pair, 1);
-  rb_define_method(cls, "rb_iterate_then_yield", array_spec_rb_iterate_then_yield, 1);
+  rb_define_method(cls, "rb_block_call", array_spec_rb_block_call, 1);
+  rb_define_method(cls, "rb_block_call_each_pair", array_spec_rb_block_call_each_pair, 1);
+  rb_define_method(cls, "rb_block_call_then_yield", array_spec_rb_block_call_then_yield, 1);
   rb_define_method(cls, "rb_mem_clear", array_spec_rb_mem_clear, 1);
   rb_define_method(cls, "rb_ary_freeze", array_spec_rb_ary_freeze, 1);
   rb_define_method(cls, "rb_ary_to_ary", array_spec_rb_ary_to_ary, 1);
-- 
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